Petro Wire & Steel Round Hole PatternsCharts below are of most common sizes. We offer custom fabrication on all our products. Call to order yours! 713.957.2256


.020" dia .043 ctrs.023" dia .042 ctrs .033" dia .055" ctrs.045" dia .066" ctrs
20% open area 22% open area 23% open area 28% open area
.045" dia .066 ctrs1/16 dia 3/32 ctrs .033" dia .055" ctrs3/32" dia 5/32" ctrs
36% open area 41% open area 23% open area 33% open area
.117" dia 5/32" ctrs1/8" dia 7/32" ctrs5/32" dia 3/16" ctrs3/16" dia 3/16"ctrs
45% open area 30% open area 63% open area 50% open area
3/16"dia 5/16"ctrs3/16" dia 3/8" ctrs3/16" dia 1/2" ctrs1/4" dia 1/4" ctrs
32% open area 23% open area 10% open area 34% open area
1/4" dia 1/2" ctrs 3/8" dia 9/16" ctrs5/8" dia 7/8" ctrs3/4" dia 1" ctrs
23% open area 40% open area 46% open area 51% open area